Inventor
Cheryl M. Frey
Inventor
White Bear Lake, MN, US
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus37%
Y10TTechnical subjects covered by former us classification22%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
B29DProducing particular articles from plastics or from substances in a plastic state10%
B29CShaping or joining of plastics7%
A41DOuterwear5%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts2%
B29LIndexing scheme associated with subclass b29c, relating to particular articles2%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%
PatentTitleYear
8,596,801'Cube corner cavity based retroreflectors with transparent fill material'20137,452,588'Cube corner cavity based retroreflectors with transparent fill material'20086,280,822'Cube corner cavity based retroeflectors with transparent fill material'20015,948,488'Glittering cube-corner article'19995,936,770'Dual orientation retroreflective sheeting'19995,910,858'Retroreflective sheeting with coated back surface'19995,882,796'Bonded structured retroreflective sheeting'19995,840,405'Glittering cube-corner retroreflective sheeting'19985,814,355'Mold for producing glittering cube-corner retroreflective sheeting'19985,784,197'Ultra-flexible retroreflective sheeting with coated back surface'19985,770,124'Method of making glittering cube-corner retroreflective sheeting'19985,763,049'Formed ultra-flexible retroreflective cube-corner composite sheeting with target optical properties and method for making same'19985,754,338'Structured retroreflective sheeting having a rivet-like connection'19985,706,132'Dual orientation retroreflective sheeting'19985,691,846'Ultra-flexible retroreflective cube corner composite sheetings and methods of manufacture'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–1999Patents assigned to MINNESOTA MINING & MFG (10)· patent assignee history
1997–2008Based in White Bear Lake, MN, US· patent location history
1999–2013Patents assigned to 3M INNOVATIVE PROPERTIES CO (5)· patent assignee history
2013Patents assigned to BENSON GERALD M (1)· patent assignee history
2013Patents assigned to CODERRE JAMES C (1)· patent assignee history
2013Patents assigned to FREY CHERYL M (1)· patent assignee history
2013Based in Mahtomedi, MN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINNESOTA MINING & MFG | 10 | 1997–1999 |
| 3M INNOVATIVE PROPERTIES CO | 5 | 1999–2013 |
| BENSON GERALD M | 1 | 2013 |
| CODERRE JAMES C | 1 | 2013 |
| FREY CHERYL Mself | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| White Bear Lake, Minnesota, US | 14 | 1997–2008 |
| Mahtomedi, Minnesota, US | 1 | 2013 |